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Code Issues Releases Wiki Activity

Cleanup code after dropping ICC support in favor of ICX

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The commit removes all uses of ICC's __INTEL_COMPILER macro and other
references to ICC. It also adds ICX info to the compiler command and
fixes two typos in Makefile's help output.

closes https://github.com/official-stockfish/Stockfish/pull/4769

No functional change
This commit is contained in:
Sebastian Buchwald 2023-08-31 21:56:34 +02:00 • committed by Disservin
parent 3d1b067d85
commit b9319c4fa4
4 changed files with 25 additions and 31 deletions
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4
src/Makefile
View file

@ -804,8 +804,8 @@ help:
@echo ""
@echo "Supported compilers:"
@echo ""
@echo "gcc > Gnu compiler (default)"
@echo "mingw > Gnu compiler with MinGW under Windows"
@echo "gcc > GNU compiler (default)"
@echo "mingw > GNU compiler with MinGW under Windows"
@echo "clang > LLVM Clang compiler"
@echo "icx > Intel oneAPI DPC++/C++ Compiler"
@echo "ndk > Google NDK to cross-compile for Android"

4
src/bitboard.h
View file

@ -262,7 +262,7 @@ inline int popcount(Bitboard b) {
union { Bitboard bb; uint16_t u[4]; } v = { b };
return PopCnt16[v.u[0]] + PopCnt16[v.u[1]] + PopCnt16[v.u[2]] + PopCnt16[v.u[3]];
#elif defined(_MSC_VER) || defined(__INTEL_COMPILER)
#elif defined(_MSC_VER)
return (int)_mm_popcnt_u64(b);
@ -276,7 +276,7 @@ inline int popcount(Bitboard b) {
/// lsb() and msb() return the least/most significant bit in a non-zero bitboard
#if defined(__GNUC__) // GCC, Clang, ICC
#if defined(__GNUC__) // GCC, Clang, ICX
inline Square lsb(Bitboard b) {
assert(b);

29
src/misc.cpp
View file

@ -193,22 +193,21 @@ std::string compiler_info() {
/// Predefined macros hell:
///
/// __GNUC__ Compiler is gcc, Clang or Intel on Linux
/// __INTEL_COMPILER Compiler is Intel
/// _MSC_VER Compiler is MSVC or Intel on Windows
/// _WIN32 Building on Windows (any)
/// _WIN64 Building on Windows 64 bit
/// __GNUC__ Compiler is GCC, Clang or ICX
/// __clang__ Compiler is Clang or ICX
/// __INTEL_LLVM_COMPILER Compiler is ICX
/// _MSC_VER Compiler is MSVC
/// _WIN32 Building on Windows (any)
/// _WIN64 Building on Windows 64 bit
std::string compiler = "\nCompiled by ";
#ifdef __clang__
#if defined(__INTEL_LLVM_COMPILER)
compiler += "ICX ";
compiler += stringify(__INTEL_LLVM_COMPILER);
#elif defined(__clang__)
compiler += "clang++ ";
compiler += make_version_string(__clang_major__, __clang_minor__, __clang_patchlevel__);
#elif __INTEL_COMPILER
compiler += "Intel compiler ";
compiler += "(version ";
compiler += stringify(__INTEL_COMPILER) " update " stringify(__INTEL_COMPILER_UPDATE);
compiler += ")";
#elif _MSC_VER
compiler += "MSVC ";
compiler += "(version ";
@ -425,13 +424,7 @@ void prefetch(void*) {}
void prefetch(void* addr) {
# if defined(__INTEL_COMPILER)
// This hack prevents prefetches from being optimized away by
// Intel compiler. Both MSVC and gcc seem not be affected by this.
__asm__ ("");
# endif
# if defined(__INTEL_COMPILER) || defined(_MSC_VER)
# if defined(_MSC_VER)
_mm_prefetch((char*)addr, _MM_HINT_T0);
# else
__builtin_prefetch(addr);

19
src/types.h
View file

@ -48,11 +48,12 @@
/// Predefined macros hell:
///
/// __GNUC__ Compiler is gcc, Clang or Intel on Linux
/// __INTEL_COMPILER Compiler is Intel
/// _MSC_VER Compiler is MSVC or Intel on Windows
/// _WIN32 Building on Windows (any)
/// _WIN64 Building on Windows 64 bit
/// __GNUC__ Compiler is GCC, Clang or ICX
/// __clang__ Compiler is Clang or ICX
/// __INTEL_LLVM_COMPILER Compiler is ICX
/// _MSC_VER Compiler is MSVC
/// _WIN32 Building on Windows (any)
/// _WIN64 Building on Windows 64 bit
#if defined(__GNUC__ ) && (__GNUC__ < 9 || (__GNUC__ == 9 && __GNUC_MINOR__ <= 2)) && defined(_WIN32) && !defined(__clang__)
#define ALIGNAS_ON_STACK_VARIABLES_BROKEN
@ -65,12 +66,12 @@
# define IS_64BIT
#endif
#if defined(USE_POPCNT) && (defined(__INTEL_COMPILER) || defined(_MSC_VER))
# include <nmmintrin.h> // Intel and Microsoft header for _mm_popcnt_u64()
#if defined(USE_POPCNT) && defined(_MSC_VER)
# include <nmmintrin.h> // Microsoft header for _mm_popcnt_u64()
#endif
#if !defined(NO_PREFETCH) && (defined(__INTEL_COMPILER) || defined(_MSC_VER))
# include <xmmintrin.h> // Intel and Microsoft header for _mm_prefetch()
#if !defined(NO_PREFETCH) && defined(_MSC_VER)
# include <xmmintrin.h> // Microsoft header for _mm_prefetch()
#endif
#if defined(USE_PEXT)